Photos: Behind the scenes at Gazelle's processing plant

Used smartphones at Gazelle

Learn about Gazelle and ecoATM here: How Gazelle will turn 4 million recycled smartphones into quick cash this year and Video: How ecoATM turns smartphones into gold

Image: Derek Poore/TechRepublic

By Teena Maddox

Teena Maddox is a Senior Writer at TechRepublic, covering hardware devices, IoT, smart cities and wearables. She ties together the style and substance of tech. Teena has spent 20-plus years writing business and features for publications including Peo...